P0886

2017-10-10

Description:

  • “The fault code P0886 indicates that there is an issue with the power relay control circuit of the transmission control module (TCM). This may cause the TCM to not function properly and the vehicle may not shift properly or may not move at all.”

Possible Symptoms:

  • Vehicle may not shift properly or may not move at all

  • Illuminated check engine light

  • Transmission may go into limp mode

  • Reduced engine power or acceleration

Possible Causes:

  • Failed TCM power relay

  • Faulty wiring or connections in the circuit

  • Loose or corroded electrical connections

  • Failed engine control module (ECM)

Related Parts:

  • Traction Control Module (TCM): Most modern vehicles are equipped with anti-lock brakes and traction control. Traction Control Module (TCM) is the part of the car computer that controls the electronic stability system (ESC) of the car. Problem leads to inefficient braking, ABS not working

Possible Solutions:

  • Replace the TCM power relay

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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